CN219046449U

CN219046449U - Motor device of electric toothbrush

Info

Publication number: CN219046449U
Application number: CN202320055925.0U
Authority: CN
Inventors: 李施慧
Original assignee: SHENZHEN FEIFAN INDUSTRIAL CO LTD
Current assignee: SHENZHEN FEIFAN INDUSTRIAL CO LTD
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-19
Anticipated expiration: 2033-01-09

Abstract

The application discloses motor arrangement of electric toothbrush relates to electric toothbrush technical field, and this application includes shell, vibrating motor, adapter sleeve and motor shaft, vibrating motor peg graft in the adapter sleeve, the motor shaft is fixed to be set up in the one end of adapter sleeve, the adapter sleeve sets up in the shell, the fixed connecting portion that is provided with of outer wall of motor shaft, the spread groove has been seted up to the outer wall of connecting portion, the spread groove endotheca is equipped with the damping circle, be provided with two sets of damping mechanisms that match with the damping circle in the shell, still be provided with two sets of and adapter sleeve matched with buffer gear in the shell, when the damping circle vibrates, the external member vibrates thereupon, drives the connecting rod vibration, and then drives a set of connecting seat vibration, drives the connecting arm vibration, thereby makes another set of connecting seat back-and-forth movement follow with vibration transmission to the piston rod and dampens, reduces the vibration amplitude that adapter sleeve and motor shaft produced, increases adapter sleeve and motor shaft's life.

Description

Motor device of electric toothbrush

Technical Field

The present application relates to the field of electric toothbrushes, and more particularly, to a motor device for an electric toothbrush.

Background

The electric toothbrush is through the quick rotation or the vibration of motor core, makes the brush head produce high frequency vibration, breaks down toothpaste into the microfoam in the twinkling of an eye, and the clean slit between the teeth is in depth, and simultaneously, the vibration of brush hair can promote the blood circulation in oral cavity, has the massage effect to gum tissue, because the demand of tooth health care nursing is improved day by day, in daily life, convenient electric toothbrush becomes the consumer preferred.

The utility model discloses a hanging motor for an electric toothbrush and an electric toothbrush, which comprise a motor shaft, a motor and a supporting shell, wherein the lower end of the motor shaft is connected with a wire, and the motor shaft is made of conductive materials.

The motor is connected with the supporting shell, and the motor generates vibration to drive the shaft sleeve to vibrate, so that the motor shaft generates vibration, but in actual use, the connecting part of the shaft sleeve and the motor is not supported to form a suspension state, so that the connecting part of the shaft sleeve and the supporting shell is stressed when the motor vibrates, the shaft sleeve can generate large-amplitude vibration under the drive of the motor, the shaft sleeve is easy to damage and break, the abrasion speed is increased, and the service life is influenced.

Disclosure of Invention

The purpose of the present application is: in order to solve the problems that the existing motor for the electric toothbrush is easy to cause damage and fracture of the connecting part of the shaft sleeve and the supporting shell and increase the abrasion speed and influence the service life because the shaft sleeve vibrates when the motor for the electric toothbrush is used, the application provides a motor device for the electric toothbrush.

The application specifically adopts the following technical scheme for realizing the purposes:

the motor device of the electric toothbrush comprises a shell, a vibrating motor, a connecting sleeve and a motor shaft, wherein the vibrating motor is inserted into the connecting sleeve, the motor shaft is fixedly arranged at one end of the connecting sleeve, the connecting sleeve is arranged in the shell, a connecting part is fixedly arranged on the outer wall of the motor shaft, a connecting groove is formed in the outer wall of the connecting part, a vibration damping ring is sleeved in the connecting groove, two groups of vibration damping mechanisms matched with the vibration damping ring are arranged in the shell, and two groups of buffer mechanisms matched with the connecting sleeve are also arranged in the shell.

Further, the vibration reduction mechanism comprises a sleeve fixedly arranged in the shell, a piston rod is movably inserted in the sleeve, and a through hole is formed in the sleeve.

Through adopting above-mentioned technical scheme, set up sleeve and piston rod cooperation to set up the through-hole on the sleeve, form air damper, thereby reduce the vibration amplitude of motor axle, and then reduce the vibration amplitude of adapter sleeve, avoid because the too big fracture of vibration amplitude.

Further, a spring A is fixedly connected in the sleeve, and the other end of the spring A is fixedly connected with the piston rod.

By adopting the technical scheme, the spring A is arranged to connect the sleeve and the piston rod, so that a spring damping vibration reduction mechanism is formed, and the vibration amplitude generated by the connecting sleeve is reduced.

Further, the outer wall fixedly connected with external member of damping circle, the outer wall of external member is fixed to be provided with the connecting rod, the one end of connecting rod is connected with the piston rod through link gear.

Through adopting above-mentioned technical scheme, set up external member and connecting rod to the connecting rod passes through link gear and is connected with the piston rod, and when vibration circle vibration, the external member vibrates thereupon, drives the connecting rod vibration, and thereby transmits vibration to the piston rod through link gear and damps.

Further, the link gear comprises two groups of connecting seats, the two groups of connecting seats are respectively fixedly connected with the piston rod and the connecting rod, the two groups of connecting seats are connected through connecting arms, and two ends of each connecting arm are rotationally connected with the connecting seats.

Through adopting above-mentioned technical scheme, set up two sets of connecting seats and linking arm cooperation, when the connecting rod vibration, a set of connecting seat vibration drives the linking arm vibration, thereby makes another set of connecting seat back-and-forth movement so that with vibration transmission to the piston rod and thereby carry out the damping.

Further, the buffer mechanism comprises a connecting piece fixedly arranged on the inner wall of the shell, the connecting piece is rotationally connected with a spring B, and the other end of the spring B is fixedly connected with a supporting piece.

Through adopting above-mentioned technical scheme, spring B and connecting piece and support piece cooperation formation bearing structure support the adapter sleeve.

Further, the outer wall of the connecting sleeve is movably provided with two groups of supporting sleeves, and the outer walls of the supporting sleeves are fixedly connected with the two groups of supporting pieces.

Through adopting above-mentioned technical scheme, set up spring B and connecting piece and support piece cooperation, support the support sleeve to support the cover and support the adapter sleeve through the vibration reduction of support sleeve, thereby reduce the vibration amplitude of adapter sleeve, increase life.

Further, the shell internal fixation is provided with the mounting bracket, the outer wall of motor axle is fixed and is provided with the closing plate, it has sealed silica gel pad to fill between mounting bracket and the closing plate.

Through adopting above-mentioned technical scheme, set up sealed silica gel pad and reduce the friction damage of brush head and motor axle, can absorb vibration energy effectively, reduce motor arrangement's noise.

In summary, the present application includes at least one of the following benefits;

1. the utility model provides a through-hole is seted up through sleeve and piston rod cooperation to offer the through-hole on the sleeve, form air damper, through spring A connecting sleeve and piston rod, form spring damping vibration damping mechanism, during the vibration damping circle vibration, the external member vibrates thereupon, drive the connecting rod vibration, and then drive a set of connecting seat vibration, drive the linking arm vibration, thereby make another set of connecting seat back-and-forth movement follow with vibration transmission to the piston rod vibration damping, thereby reduce the vibration amplitude that adapter sleeve and motor axle produced, increase adapter sleeve and motor axle's life.

2. The application supports the supporting sleeve through the cooperation of the spring B, the connecting piece and the supporting piece, and dampens and supports the connecting sleeve through the supporting sleeve, so that the vibration amplitude and abrasion of the connecting sleeve and the motor shaft are reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic perspective view of a device body of the present application;

fig. 2 is a schematic diagram of a connection structure of the vibration motor in the present application;

FIG. 3 is a schematic view of the connection structure of the sleeve of the present application;

fig. 4 is a schematic view of the connection structure of the mounting frame in the present application.

Reference numerals illustrate:

1. a housing; 101. a mounting frame; 102. a sealing plate; 103. sealing the silica gel pad; 2. a vibration motor; 3. connecting sleeves; 4. a motor shaft; 5. a connection part; 6. a connecting groove; 7. a vibration damping ring; 8. a vibration damping mechanism; 801. a sleeve; 802. a piston rod; 803. a through hole; 804. a spring A; 805. a kit; 806. a connecting rod; 807. a connecting seat; 808. a connecting arm; 9. a buffer mechanism; 901. a connecting piece; 902. a spring B; 903. a support; 904. and a supporting sleeve.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses motor device of electric toothbrush, including shell 1, vibrating motor 2, adapter sleeve 3 and motor shaft 4, vibrating motor 2 peg graft in adapter sleeve 3, and motor shaft 4 is fixed to be set up in the one end of adapter sleeve 3, and adapter sleeve 3 sets up in shell 1, and the outer wall of motor shaft 4 is fixed to be provided with connecting portion 5, and connecting groove 6 has been seted up to the outer wall of connecting portion 5, and the 6 endotheca of connecting groove is equipped with damping circle 7, is provided with two sets of damping circle 7 matched with damping mechanism 8 in shell 1, still is provided with two sets of and adapter sleeve 3 matched with buffer gear 9 in the shell 1.

Referring to fig. 2 and 3, the vibration damping mechanism 8 includes a sleeve 801 fixedly disposed in the housing 1, a piston rod 802 movably inserted in the sleeve 801, and a through hole 803 formed in the sleeve 801, more specifically, the sleeve 801 is matched with the piston rod 802, and the through hole 803 is formed in the sleeve 801, so as to form an air damper, thereby reducing the vibration amplitude of the motor shaft 4, further reducing the vibration amplitude of the connecting sleeve 3, and avoiding the breakage due to the overlarge vibration amplitude.

Referring to fig. 3, a spring a804 is fixedly connected in a sleeve 801, the other end of the spring a804 is fixedly connected with a piston rod 802, more specifically, the sleeve 801 and the piston rod 802 are connected through the spring a804 to form a spring damping vibration reduction mechanism, so that the vibration amplitude generated by the connecting sleeve 3 is reduced.

Referring to fig. 2 and 3, the outer wall of the vibration damping ring 7 is fixedly connected with a sleeve member 805, a connecting rod 806 is fixedly arranged on the outer wall of the sleeve member 805, one end of the connecting rod 806 is connected with the piston rod 802 through a linkage mechanism, more specifically, when the vibration damping ring 7 vibrates, the sleeve member 805 vibrates along with the connecting rod 805 to drive the connecting rod 806 to vibrate, and vibration is transmitted to the piston rod 802 through the linkage mechanism to perform vibration damping.

Referring to fig. 3, the linkage mechanism includes two sets of connection seats 807, the two sets of connection seats 807 are fixedly connected with the piston rod 802 and the connecting rod 806 respectively, the two sets of connection seats 807 are connected through a connection arm 808, two ends of the connection arm 808 are rotatably connected with the connection seats 807, more specifically, when the connecting rod 806 vibrates, one set of connection seats 807 vibrates to drive the connection arm 808 to vibrate, and the other set of connection seats 807 moves back and forth to transmit vibration to the piston rod 802 to perform vibration reduction.

Referring to fig. 2 and 3, the buffer mechanism 9 includes a connecting member 901 fixedly disposed on an inner wall of the housing 1, a spring B902 is rotatably connected to the connecting member 901, and a supporting member 903 is fixedly connected to the other end of the spring B902, more specifically, the connecting sleeve 3 is supported by a supporting structure formed by cooperation of the spring B902, the connecting member 901 and the supporting member 903.

Referring to fig. 3, two sets of supporting sleeves 904 are movably arranged on the outer wall of the connecting sleeve 3, the outer walls of the supporting sleeves 904 are fixedly connected with the two sets of supporting members 903, more specifically, the supporting sleeves 904 are supported by matching the springs B902 with the connecting members 901 and the supporting members 903, and the connecting sleeve 3 is subjected to vibration reduction and support through the supporting sleeves 904, so that the vibration amplitude of the connecting sleeve 3 is reduced, and the service life is prolonged.

Referring to fig. 4, a mounting frame 101 is fixedly arranged in a housing 1, a sealing plate 102 is fixedly arranged on the outer wall of a motor shaft 4, a sealing silica gel pad 103 is filled between the mounting frame 101 and the sealing plate 102, more specifically, friction damage between a brush head and the motor shaft 4 is reduced by arranging the sealing silica gel pad 103, vibration energy can be effectively absorbed, and noise of a motor device is reduced.

Working principle: through the matching of the sleeve 801 and the piston rod 802, a through hole 803 is formed in the sleeve 801, an air damper is formed, the sleeve 801 and the piston rod 802 are connected through a spring A804, a spring damping vibration reduction mechanism is formed, when the vibration reduction ring 7 vibrates, the sleeve 805 vibrates along with the vibration, the connecting rod 806 is driven to vibrate, when the connecting rod 806 vibrates, one group of connecting seats 807 vibrates, the connecting arms 808 are driven to vibrate, and the other group of connecting seats 807 move forwards and backwards so as to transmit the vibration to the piston rod 802, so that vibration is reduced; the supporting sleeve 904 is supported by the cooperation of the spring B902, the connecting piece 901 and the supporting piece 903, and the connecting sleeve 3 is supported in a vibration reduction way by the supporting sleeve 904, so that the vibration amplitude of the connecting sleeve 3 is reduced, and the service life is prolonged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a motor device of electric toothbrush, includes shell (1), vibrating motor (2), adapter sleeve (3) and motor shaft (4), its characterized in that: the vibration motor (2) is inserted in the connecting sleeve (3), the motor shaft (4) is fixedly arranged at one end of the connecting sleeve (3), the connecting sleeve (3) is arranged in the shell (1), the connecting portion (5) is fixedly arranged on the outer wall of the motor shaft (4), the connecting groove (6) is formed in the outer wall of the connecting portion (5), the vibration damping ring (7) is sleeved in the connecting groove (6), two groups of vibration damping mechanisms (8) matched with the vibration damping ring (7) are arranged in the shell (1), and two groups of buffer mechanisms (9) matched with the connecting sleeve (3) are further arranged in the shell (1).

2. A motor apparatus for an electric toothbrush as claimed in claim 1, wherein: the vibration reduction mechanism (8) comprises a sleeve (801) fixedly arranged in the shell (1), a piston rod (802) is movably inserted in the sleeve (801), and a through hole (803) is formed in the sleeve (801).

3. A motor apparatus for an electric toothbrush as claimed in claim 2, wherein: a spring A (804) is fixedly connected in the sleeve (801), and the other end of the spring A (804) is fixedly connected with the piston rod (802).

4. A motor apparatus for an electric toothbrush according to claim 3, wherein: the outer wall fixedly connected with external member (805) of damping circle (7), the outer wall of external member (805) is fixed to be provided with connecting rod (806), the one end of connecting rod (806) is connected with piston rod (802) through link gear.

5. A motor apparatus for an electric toothbrush as claimed in claim 4, wherein: the linkage mechanism comprises two groups of connecting seats (807), the two groups of connecting seats (807) are fixedly connected with a piston rod (802) and a connecting rod (806) respectively, the two groups of connecting seats (807) are connected through connecting arms (808), and two ends of each connecting arm (808) are rotationally connected with the corresponding connecting seat (807).

6. A motor apparatus for an electric toothbrush as claimed in claim 1, wherein: the buffer mechanism (9) comprises a connecting piece (901) fixedly arranged on the inner wall of the shell (1), springs B (902) are rotatably connected to the connecting piece (901), and supporting pieces (903) are fixedly connected to the other ends of the springs B (902).

7. A motor apparatus for an electric toothbrush as claimed in claim 6, wherein: two groups of supporting sleeves (904) are movably arranged on the outer wall of the connecting sleeve (3), and the outer walls of the supporting sleeves (904) are fixedly connected with the two groups of supporting pieces (903).

8. A motor apparatus for an electric toothbrush as claimed in claim 1, wherein: the motor is characterized in that a mounting frame (101) is fixedly arranged in the shell (1), a sealing plate (102) is fixedly arranged on the outer wall of the motor shaft (4), and a sealing silica gel pad (103) is filled between the mounting frame (101) and the sealing plate (102).